CMX878 Ver la hoja de datos (PDF) - CML Microsystems Plc
Número de pieza
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CMX878 Datasheet PDF : 61 Pages
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CMX878
Component Values – for Figures 2a, 2b and 4a
Resistors ±5%, capacitors ±20%
R1
100kΩ
C1, C2 22pF
R2
30Ω
C3
100nF
R3
6.8MΩ
C4
22µF
R4
100kΩ
C5
100nF
R5
220kΩ
C6
22µF
R6
470kΩ
C7
100nF
R7
15kΩ
C8
100nF
R8
100kΩ
C9
100nF
R9
100kΩ
C10
EURO: 3.3µF US: not required
R10
100kΩ
C11
EURO: 33µF US: not required
R11
2.7kΩ
C12
3.3µF
C13
220nF
R13
10kΩ
C14
10nF
R14
EURO: 12Ω (0.25W) US: 27Ω (0.5W) C15
100nF
R15
EURO: 36Ω (0.6W) US: wire link
C16
47nF
R16
10kΩ
C17
100pF
R17
EURO: 5.6kΩ US: not required
C18
3.3µF
R18
EURO: 2kΩ US: not required
C23
220nF
R19
470Ω
R20
10kΩ
D1 -
D1N4004
D4
R21
EURO: 3.3kΩ US: 3kΩ
D5
1N914
R22
EURO: 2.7kΩ US: 3kΩ
D6
1N914
R23
EURO: 100kΩ US: 91kΩ
D7
BZX84C5V6
R24
100kΩ
D8
BZX84C4V7
R25
160kΩ
Q1
MMBTA92
Q2
MMBTA42
Q3
MMBTA92
Q4*
FZT757
Q5
MMBTA42
Q6
EURO: BC846 US: not required
M1, M2 BSN304 or ZVNL535A
X1
11.0592MHz or 12.288MHz
*Transistor Q4 is the main off-hook load and will dissipate heat. In circuits with the built-in current
limiting, the power dissipation can be up to 2 Watts; without current limiting the power dissipation can be
up to
1 Watt. Ensure adequate heat sink provision.
‘EURO’ represents component values for European markets (specification TBR21).
‘US’ represents component values for North American markets (specification EIA-470)
© 2002 Consumer Microcircuits Limited
15
D/878/2
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